Home / 10,263.86-15,395.80-2,868.39

Finding the Fourth Proportional to 10,263.86, 15,395.80 and 2,868.39

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Solution

The fourth proportional to 10,263.86, 15,395.80 and 2,868.39 is: 4,302.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,263.86 : 15,395.80 = 2,868.39 : x
  2. Step 2: Convert to fraction form
    10,263.86/15,395.80 = 2,868.39/x
  3. Step 3: Cross multiply
    10,263.86x = 15,395.80 × 2,868.39
  4. Step 4: Simplify right side
    10,263.86x = 44,161,105.60
  5. Step 5: Solve for x
    x = 44,161,105.60/10,263.86
  6. Step 6: Final answer
    x = 4,302.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.